public void Flush_ReturnsTrueIfAllMessagesAreSent()
{
_config.BufferSize = 3;
var buffer = new LogglyAsyncBuffer(_config, _clientMock.Object);
buffer.BufferForSend("test message 1");
buffer.BufferForSend("test message 2");
var result = buffer.Flush(MaxWaitTime);
result.Should().BeTrue();
}
public void Flush_ReturnsFalseIfNotAllMessagesAreSent()
{
_config.BufferSize = 3;
ExpectSends(1);
var buffer = new LogglyAsyncBuffer(_config, _clientMock.Object);
// block sending
_allowSendingEvent.Reset();
buffer.BufferForSend("test message 1");
buffer.BufferForSend("test message 2");
var result = buffer.Flush(TimeSpan.FromSeconds(1));
result.Should().BeFalse();
}
public void Flush_FlushesPendingMessages()
{
_config.BufferSize = 3;
ExpectSends(1);
var buffer = new LogglyAsyncBuffer(_config, _clientMock.Object);
buffer.BufferForSend("test message 1");
buffer.BufferForSend("test message 2");
buffer.Flush(MaxWaitTime);
_sentMessages.Should().BeEquivalentTo(new[]
{
"test message 1",
"test message 2"
}, "pending messages should be sent");
}
public void DiscardsOldestMessagesIfMaxQueueSizeIsSet()
{
_config.MaxLogQueueSize = 5;
ExpectSends(1);
var buffer = new LogglyAsyncBuffer(_config, _clientMock.Object);
_allowSendingEvent.Reset(); // block after first message sending
buffer.BufferForSend("test message 1");
// trigger send without waiting for full buffer
buffer.Flush(TimeSpan.FromMilliseconds(10));
_allSentEvent.Wait(MaxWaitTime).Should().BeTrue("first message should be already sent");
ExpectSends(1);
buffer.BufferForSend("test message 2");
buffer.BufferForSend("test message 3");
buffer.BufferForSend("test message 4");
buffer.BufferForSend("test message 5");
buffer.BufferForSend("test message 6");
buffer.BufferForSend("test message 7");
buffer.BufferForSend("test message 8");
buffer.BufferForSend("test message 9");
// now allow sending the rest
_allowSendingEvent.Set();
_allSentEvent.Wait(MaxWaitTime).Should().BeTrue("messages should be sent");
_sentMessages.Should().BeEquivalentTo(new[]
{
// message 1 initiated whole sending so it was sent
"test message 1",
// messages 2-4 were dropped because they exceeded buffer size when message 1 was being sent
"test message 5",
"test message 6",
"test message 7",
"test message 8",
"test message 9",
}, "correct messages should be sent");
}